[postgis-users] line_interpolate_point does not return a point that intersects the line

[Francis Markham]

D'oh.  Totally forgot about DWithin!

Problem, solved.  Thanks very much!

-Francis

On 3 May 2010 18:24, strk <strk at keybit.net> wrote:

> On Mon, May 03, 2010 at 06:15:14PM +1000, Francis Markham wrote:
> > Mmm, so it is a floating point issue - the distance is
> 9.57711783686133e-12
> > meters.  Is there anyway to specify a tolerance for ST_Intersects and
> > similar predicates?
>
> You may use DWithin() for a tolerance-based intersection approach.
> No built-in tolerance for others.
>
> --strk;
>
>  ()   Free GIS & Flash consultant/developer
>  /\   http://strk.keybit.net/services.html
> _______________________________________________
> postgis-users mailing list
> postgis-users at postgis.refractions.net
> http://postgis.refractions.net/mailman/listinfo/postgis-users
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.osgeo.org/pipermail/postgis-users/attachments/20100503/4c99e8d1/attachment.html>